Finding the Fourth Proportional to 88,819.14, 122,569.86 and 48,531.84
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Solution
The fourth proportional to 88,819.14, 122,569.86 and 48,531.84 is: 66,973.64
Step by Step Solution
- Step 1: Write the proportion equation
88,819.14 : 122,569.86 = 48,531.84 : x - Step 2: Convert to fraction form
88,819.14/122,569.86 = 48,531.84/x - Step 3: Cross multiply
88,819.14x = 122,569.86 × 48,531.84 - Step 4: Simplify right side
88,819.14x = 5,948,540,834.34 - Step 5: Solve for x
x = 5,948,540,834.34/88,819.14 - Step 6: Final answer
x = 66,973.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.